Is it possible to break glass with it making any sound?

my english teacher said its possible to break glass without it making a sound. No one in my class knows how and neither do I. He said he knew how and whoever was to get it right got extra credit. so does anyone on here know how to do this? cause i could really use the extra credit in his class. thx guys!

  1. ChickenLicken
    on November 30th, -0001

    The only way I know is to freeze the glass for several hours. Then immerse the glass into boiling hot water. Though that may not work in all cases. The sudden change in temperature and the fact that the item is submerged often causes glass to crackle ( gets cracks all over or through it.) silently. There is still a chance that a barely audible sound may be heard as the glass crackles. Water is an insulator against sound in this case. The other is more obvious, but you would still hear a muffled noise, and that is to wrap the glass item in a thick towel or towels and hit with a hard object.
    Interesting question.. Post the answer to this later.

  2. BlindPoet
    on November 30th, -0001

    Yes. Do it in outter space. There’s no air, so no sound. Or you could do it in any old vacuum.

  3. Wildthing
    on November 30th, -0001

    Sure, if a tree in the forest falls on the glass and no one is around to hear it break. A mythology connection, perhaps?

  4. DarkDesire
    on November 30th, -0001

    Does a tree make a sound if it falls in the woods and no one is around to hear it? If nothing is there to recieve the sound waves there is no noise.

  5. JetSki
    on November 30th, -0001

    Old burglars trick. Take Duct tape, and cover the pane of glass. Cover all of the glass. Then give it a good tap with something. don’t hit too hard, you just want to work on breaking the glass. Keep going till all of the glass is broken, then you can remove it from the window pane.

  6. Eli
    on November 30th, -0001

    Maybe if you wrap cloth around your hand. Saw it in the movies.

  7. BloodFlower
    on November 30th, -0001

    I heard that by throwing a spark plug into a window it will shatter it without making any sound, so I researched it to find out if it was true. What I found is that it’s true that a window can be broken with just a small piece of porcelain from a spark plug, but it still makes a sound. Pretty interesting, though.

    http://www.youtube.com/watch?v=wUgsi9gQB

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Is it possible to break glass with it making any sound?

my english teacher said its possible to break glass without it making a sound. No one in my class knows how and neither do I. He said he knew how and whoever was to get it right got extra credit. so does anyone on here know how to do this? cause i could really use the extra credit in his class. thx guys!

  1. pandatome
    on November 30th, -0001

    We must be clear on the distinction between “a sound” and “a noise”.

    Q: “If a tree falls in the forest, and no one is around to hear it, does it make a sound?”
    A: No. The tree does not make a sound…it makes a noise.

    Webster’s dictionary defines “sound” as: “the sensation perceived by the sense of hearing”.
    The ears detect acoustical noise, which is interpreted by the brain as sound.

    Break the glass where nothing can hear the noise.

  2. Guineapig
    on November 30th, -0001

    Maybe if you flung a rock at it from miles away so that no one could hear it? Hehe..

  3. Orchid
    on November 30th, -0001

    No sound at all is unlikely. Underwater would be muffled, though.

  4. SkateRForeveR
    on November 30th, -0001

    It’s basically impossible in the real world, but in the theoretical world it could happen.

    In the real world, contact causes sound, no matter how slight the sound may be. So throwing it (or anything at it) or hitting it or anything will make a sound when it breaks.

    I think your teacher maybe thinking of heating up the glass to very hot temperatures and just putting it into water. The glass would crack (and makes a very slight sound) and will break.
    I hope that’s it, go get that EC :P!

  5. MexicanMug
    on November 30th, -0001

    Tape all the glass with clear box tape or most strong adhesive type tape. Tape the whole surface. You can break it without it making very much noise.

  6. Guineapig
    on November 30th, -0001

    There’s a slight chance that it might not make any noise if you were to wrap the glass in a towel or cloth, then strike it. You could also warm the glass then pour cold water on it….the only sound might be from the glass falling. One more idea, you could break the object under water maybe….it might not make a sound.

  7. BlindPoet
    on November 30th, -0001

    The cocncord aircraft, a supersonic plane caused the breaking of window panes in those area where she flew.

  8. AgeingNature
    on November 30th, -0001

    Two ways my friend.

    1.) In a vacuum. There are no molecules in a vacuum and thus no sound.

    2.) HF acid. Dissolves the silicate structure at the atomic level. Will actually eat the glass away where it is applied but without sound.

    That being said, considering it is coming from an English teacher it’s probably a trick question and not actually science related.

Share your comment

Is it possible to break glass with it making any sound?

my english teacher said its possible to break glass without it making a sound. No one in my class knows how and neither do I. He said he knew how and whoever was to get it right got extra credit. so does anyone on here know how to do this? cause i could really use the extra credit in his class. thx guys!

  1. Salinger
    on November 30th, -0001

    Since sound needs a medium in order to propagate and exist, breaking the glass in a vacuum will break it without using or creating a sound. That is the easiest option.

  2. DownUnder
    on November 30th, -0001

    Yes.

    1. In a vacuum. Of course whatever is breaking or holding the glass cannot be connected to the container of the vacuum.

    2. In gel. Sound is a vibration and there are materials that do not transmit sound (or very very little). At some science museums there are rooms that do not echo sound. very weird feeling. You break a piece of glass in this vibration absorbing goo and you’ll get virtually no sound. You said the teacher said it would be done quickly and easily. I’m guessing he’s not going to get an easy vacuum.

    3. Vibration. This is just my guess. You can crack concrete with a large hammer ergo lots of noise. You can also crack it relatively quietly with vibrations. So, I’m guessing that’s the other method. It’s like bending a coat hanger. It just breaks (or shears?) w/o any noice.

  3. SpeedDemon
    on November 30th, -0001

    in a vacum, no air means no sound

  4. Gilbert
    on November 30th, -0001

    breaking say a cup under epince presuer really fast so it crushes it complatly

  5. FeralFeline
    on November 30th, -0001

    Try heating it up in the oven. Since glass forms between 1000 and 1400 degrees F. Heating it up to maybe 500 degrees (that would be ‘BROIL’ on your oven) may soften the glass enough to reduce the sound causing vibration when the glass breaks.

    It’s worth the guess anyway.

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